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Infinity Kappa 203S (INFSPKKA203SAM)

300W Peak (100W RMS) 2" Kappa Series Component Midrange 3-ohm Speakers

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• 150 watts Peak Each, 50 watts RMS Each
• Silk cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

Learn more about the kappa203s

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This item has been discontinued


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Description


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Authorized dealer


Infinity Kappa 203S

Infinity Kappa Series speakers, available in all standard sizes, are designed to bring a new standard of excellence in car audio to virtually any vehicle. Kappa’s Plus One fiberglass woofers deliver high-output, deep and robust bass. The high-resolution 3/4" edge-driven textile dome tweeters deliver soaring highs up to 40kHz. 2" and 3" midranges are available to upgrade two-way component systems into three-way. The compact 3" midrange speakers also offer a perfect plug-and-play solution with low frequency response to 300Hz, and high sensitivity.


Product Details:

  • 2" Kappa Series Mid-range Car Speakers
  • Power Handling:
    • Peak: 300 watts per pair / 150 watts each
    • RMS: 100 watts per pair / 50 watts each
  • Silk Plus One cone material
  • Rubber speaker surround
  • Super compact design and premium performance
  • Bandpass crossover enclosure
  • Top-mount Depth: 1-1/8"
  • Cutout Dimensions: 2-9/16"
  • Impedance: 3 ohm
  • Frequency Response: 500 - 7000 Hz
  • Sensitivity: 94 dB
  • Speaker grilles included
  • Authorized Internet Dealer
  • MFR #: Kappa 203S
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

Product history:

Infinity Kappa 203S thumbnail
(newest, current model)
Infinity KAPPA-20MXAM thumbnail
(previous model, replaced by Infinity Kappa 203S (INFSPKKA203SAM))

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Specifications & Details


Speaker Specifications
Series
Kappa Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
2"
Design
Mid-range
Woofer Composition
Silk
Woofer Surround
Rubber
Peak Power Handling
150 watts
RMS Power Handling
50 watts
Total PEAK Per Pair/Set
300 watts
Total RMS Per Pair/Set
100 watts
Sensitivity
94 dB
Frequency Response
500 - 7000 Hz
Impedance (Per Voice Coil)
3 ohm
Shallow Mount Installation
No
Top-Mount Depth (Mounting Depth)
1-1/8"
Cutout Dimensions
2-9/16"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
Yes
Includes Damping Kit
without Damping Kit
Compatible vehicle types
Car/Truck/SUV/Van
What is in the box?
Paperwork
User manual
Quick start guide
Brand sticker/decal
WITB: Speakers
Foam Gasket
Mounting Brackets/Hardware
Speakers (2)
Grilles (2, attached)
Crossover networks (2)
Mounting screws (4)
Mounting screws (8)
Mounting clips (8)
Speaker connection cables (2)
Adhesive brand badges
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

Kappa 203S

Weight:

2.14lbs

Internal SKU:

kappa203s

Internal Product ID:

183269

Customer Ratings & Reviews


Infinity Kappa 203S (INFSPKKA203SAM) thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
4.4
Value
4
Features
4.4
Design
4.7
Usability
4.7

Customer Reviews

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Waiting for speaker pods to install them on the dashboard, I can't wait to share pictures.
I have a handicap Van my has MS but we Love to listen to quality music.

By Alfred on January 8, 2024 Checkmark Icon Verified purchase

41 found this helpful


By Patrick on November 3, 2024 Checkmark Icon Verified purchase
2017 Dodge Grand Caravan

7 found this helpful


By Derek on September 16, 2025 Checkmark Icon Verified purchase

6 found this helpful


Great quality - fit for BMW E36 doors

I used those to add to a 503CF 2 way kit, making it very easy to go to a 3 way speaker system.

It requires some trimming of the new speakers, then it can fit in the stock mid speaker grilles of a BMW E36.

By Miguel on November 19, 2024 Checkmark Icon Verified purchase
1998 BMW M3

6 found this helpful




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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.